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2026-04-06 - 06:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Apr 06, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281262128117,7sleep20-21swapper/219:09:342
27909211675,9sleep30-21swapper/319:06:453
281082114104,7sleep10-21swapper/119:09:211
281022113103,7sleep00-21swapper/019:09:160
244102990,0sleep024411-21/usr/sbin/munin20:55:190
299182640,0sleep20-21swapper/222:00:202
149532610,1sleep20-21swapper/219:50:172
193362580,0sleep20-21swapper/220:50:242
19002580,0sleep30-21swapper/300:00:153
139622580,1sleep313964-21kthreadcore21:15:203
37532570,0sleep30-21swapper/321:35:193
47112560,1sleep30-21swapper/323:30:253
67122530,0sleep30-21swapper/300:05:013
28332992913,7cyclictest15368-21/usr/sbin/munin23:15:182
2833299281,3cyclictest0-21swapper/221:14:452
2832799280,27cyclictest0-21swapper/119:50:561
2832799280,27cyclictest0-21swapper/100:31:081
28332992718,6cyclictest749-21snmpd19:59:232
2832799270,26cyclictest0-21swapper/123:42:081
2832799270,26cyclictest0-21swapper/123:29:441
2832799270,26cyclictest0-21swapper/122:29:121
2832799270,26cyclictest0-21swapper/121:23:571
2832799270,26cyclictest0-21swapper/120:42:091
2832799270,26cyclictest0-21swapper/120:36:451
2832799270,26cyclictest0-21swapper/120:19:241
2832799270,26cyclictest0-21swapper/120:11:591
2832799270,26cyclictest0-21swapper/119:11:321
2832799270,26cyclictest0-21swapper/100:28:401
2832799270,26cyclictest0-21swapper/100:21:231
28332992618,7cyclictest749-21snmpd23:14:192
28332992618,7cyclictest749-21snmpd22:38:002
2833299260,25cyclictest0-21swapper/221:39:572
2832799260,25cyclictest0-21swapper/123:32:461
2832799260,25cyclictest0-21swapper/123:16:281
2832799260,25cyclictest0-21swapper/122:49:191
2832799260,25cyclictest0-21swapper/122:36:031
2832799260,25cyclictest0-21swapper/122:05:031
2832799260,25cyclictest0-21swapper/121:47:391
2832799260,25cyclictest0-21swapper/121:09:331
2832799260,25cyclictest0-21swapper/119:36:531
2833299259,3cyclictest0-21swapper/200:00:102
28332992517,7cyclictest749-21snmpd23:51:532
28332992517,7cyclictest749-21snmpd21:44:162
28332992517,7cyclictest749-21snmpd21:44:152
28332992517,7cyclictest749-21snmpd21:31:462
28332992516,8cyclictest749-21snmpd00:05:232
2833299250,3cyclictest0-21swapper/221:00:332
2833299250,24cyclictest0-21swapper/219:27:142
28332992417,6cyclictest749-21snmpd23:25:322
28332992417,6cyclictest749-21snmpd22:48:282
28332992417,6cyclictest749-21snmpd20:45:272
28332992415,8cyclictest749-21snmpd19:10:112
2832799241,22cyclictest0-21swapper/122:19:551
2832799241,22cyclictest0-21swapper/120:20:511
2832799240,23cyclictest0-21swapper/122:12:331
28332992321,2cyclictest0-21swapper/222:42:512
28332992317,5cyclictest749-21snmpd20:32:212
28332992317,5cyclictest749-21snmpd20:23:122
28332992316,6cyclictest749-21snmpd19:17:142
28332992315,7cyclictest749-21snmpd21:51:512
28332992315,7cyclictest749-21snmpd20:04:082
28332992314,8cyclictest749-21snmpd00:27:312
2833299231,3cyclictest0-21swapper/220:29:032
2833299231,21cyclictest0-21swapper/223:59:082
2833299231,21cyclictest0-21swapper/221:45:172
28327992320,3cyclictest0-21swapper/100:17:591
2832799231,21cyclictest0-21swapper/123:49:041
2832799231,21cyclictest0-21swapper/123:22:081
2832799231,21cyclictest0-21swapper/121:51:191
2832799231,21cyclictest0-21swapper/121:19:041
2832799231,21cyclictest0-21swapper/120:55:511
2832799231,21cyclictest0-21swapper/120:06:331
2832799230,22cyclictest0-21swapper/122:05:001
2832799230,22cyclictest0-21swapper/121:28:211
28332992220,2cyclictest0-21swapper/221:26:392
28332992217,4cyclictest749-21snmpd19:20:592
28332992215,6cyclictest749-21snmpd21:55:062
28332992215,6cyclictest28765-21apt-get20:05:112
28332992214,6cyclictest749-21snmpd20:59:482
2833299221,3cyclictest0-21swapper/220:41:212
2833299220,21cyclictest0-21swapper/222:25:172
2833299220,21cyclictest0-21swapper/220:18:092
28327992218,3cyclictest0-21swapper/100:38:221
28327992217,4cyclictest0-21swapper/119:49:461
2832799221,20cyclictest0-21swapper/123:57:191
2832799221,20cyclictest0-21swapper/122:40:361
2832799220,3cyclictest0-21swapper/119:19:591
2832799220,21cyclictest0-21swapper/123:00:511
2832799220,21cyclictest0-21swapper/120:45:061
2832799220,21cyclictest0-21swapper/120:01:351
2832799220,21cyclictest0-21swapper/119:57:201
2832799220,21cyclictest0-21swapper/119:32:501
2832799220,21cyclictest0-21swapper/100:07:591
2833299213,8cyclictest0-21swapper/223:00:142
28332992117,3cyclictest0-21swapper/219:42:352
2833299211,19cyclictest0-21swapper/223:35:312
28332992111,8cyclictest749-21snmpd20:10:182
2833299211,18cyclictest0-21swapper/200:20:112
2833299211,15cyclictest0-21swapper/222:55:592
2833299210,8cyclictest0-21swapper/222:15:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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